Gb7(#5) — dominant seventh sharp five
Also written F#7(#5) — the same chord, spelled the other way.
Notes in Gb7(#5): Gb – Bb – D – FbFormula: 1 – 3 – #5 – b7In the formula, the numbers count steps of the major scale starting from the note that names the chord; "b" lowers a half step, "#" raises one — and a slash names the bass note.
The dominant with its fifth raised a semitone. The alteration tightens the tension and pushes the resolution — an extra step just before the arrival chord.
The same chord on all four instruments
Where to use it: A dominant heading to a minor chord, in jazz, choro and MPB turnarounds.
This is just one shape of Gb7(#5). In Chord & Fret, you hear every shape strummed string by string, in each instrument's own voice; compare positions with their difficulty marked; and set a capo — the diagrams redraw above it. Start free. Unlock everything with Pro. Plays offline.
See the whole neck in Chord & Fret →Part of the Sevenths family.